piumino/dist/helpers/ng.helper.js

Piumino, meaning duvet in Italian, is like a duvet over the bed called Angular TestBed. It provides test helpers to test trivial things like inputs and outputs with a single line.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.NgHelper = void 0;
const core_1 = require("@angular/core");
const types_1 = require("../types");
const object_helper_1 = require("./object.helper");
class NgHelper {
    static getProperty(element, property) {
        if (element.nativeElement.hasAttribute(property)) {
            return element.nativeElement.getAttribute(property);
        }
        for (const token of element.providerTokens) {
            const provider = object_helper_1.ObjectHelper.isObject(token) && token.provide ? token.provide : token;
            const instance = element.injector.get(provider);
            const propertyMap = NgHelper.getDirectivePropertyMap(instance);
            if (propertyMap[property] in instance) {
                return instance[propertyMap[property]];
            }
        }
        return types_1.NOTHING;
    }
    static hasProperty(element, property) {
        return NgHelper.getProperty(element, property) !== types_1.NOTHING;
    }
    static getDirectivePropertyMap(directive) {
        const propertyMap = {};
        const metadata = this.reflectionCapabilities.propMetadata(directive.constructor);
        if (metadata) {
            for (const [property, decorators] of Object.entries(metadata)) {
                propertyMap[property] = property;
                for (const decorator of decorators) {
                    if (decorator.bindingPropertyName) {
                        propertyMap[decorator.bindingPropertyName] = property;
                    }
                }
            }
        }
        return propertyMap;
    }
}
exports.NgHelper = NgHelper;
NgHelper.reflectionCapabilities = new core_1.ɵReflectionCapabilities();